Last Thursday, Katie Couric asked a panel that included Dr. Donna Rockwell, a clinical psychologist, and Dr. Mark Hyman, the chairman of the Institute for Functional Medicine, if multitasking is the enemy of mindfulness. They all agreed that yes, multitasking means doing a bunch of things crappily. Well, if that's so… »6/10/13 3:00pm 6/10/13 3:00pm